[HAWQ-950] PXF support for Float filters encoded in header data

• Type: Sub-task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.0.0-incubating
• Fix Version/s: backlog
• Component/s: External Tables, PXF
• Assignee: Goden Yao
• Reporter: Kavinder Dhaliwal
• Created: 26/Jul/16 20:59
• Updated: 06/Aug/17 13:00

Description

HAWQ-779 contributed by jiadx introduced the ability for hawq to serialize filters on float columns and send the data to PXF. However, PXF is not currently capable of parsing float values in the string filter.

We need to
1. add support for float type on JAVA side.
2. add unit test for this change.